The Nut,plain,plate, cataloged under National Stock Number 5310-01-239-5070, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-239-5070 |
| Primary Part Number | A51B44562-11 |
| Item Name | Nut,plain,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Plate Thickness | 0.120 INCHES NOMINAL IN |
| Nut Length | 3.375 INCHES NOMINAL IN |
| Thread Series | UNJEF |
| Mounting Hole Arrangement Style | 2 HOLES |
| Material Document and Classification | AMS 5344 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.233 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.4375 INCHES IN |
| Distance From Aperture Center to Mounting Hole Center | 1.188 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Length | 2.625 INCHES NOMINAL IN |
| Countersink Angle | 90.0 DEGREES NOMINAL NUT |
| Thread Class | 3B |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 630 OVERALL |
| Nut Mounting Provision | STRAIGHT HOLES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A51B44562-11 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A51B44562-11 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| A51B44562-11 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
NSN 5310-01-239-5070 is a Nut,plain,plate, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-239-5070 has 1 manufacturer part number on file: A51B44562-11 (Northrop Grumman Systems Corporation).
Key specifications for A51B44562-11: Plate Thickness: 0.120 INCHES NOMINAL IN; Nut Length: 3.375 INCHES NOMINAL IN; Thread Series: UNJEF; Mounting Hole Arrangement Style: 2 HOLES. 15 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.